/* 
  原始值：
    number
    string
    boolean
    bigint 大整数
    symbol 符号
*/

export {}

let a: number = 11
a = 0x123
a = 0b1111
a = 0o1234

let b: string = "hello"
b = `hello`

let c: boolean = true
c = false

let d:bigint = 100n
let e:symbol = Symbol()